Bike Headset Stem Top Cap Cover Bicycle Stem Headset Top Caps Bolt Headset Screw Star Nuts For 1-1/8" 28.6mm Front Fork Tube

Hign-concerned Chemical : None Type : Bicycle Headset Model Number : RN2233 Size : 28.6mm Brand Name : riderace Origin : Mainland China Type1 : Bike Headset Star Nut Stem Top Cap Cover Type2 : Bicycle Front Fork Mount Type3 : bike accessories

The design of the bicycle earphone stem cover includes the following aspects:

Material: The top cover is usually made of aluminum alloy or carbon fiber, which are both lightweight and sturdy, capable of withstanding vibrations and pressure during cycling. Sealing: The top cover is designed to be completely sealed to prevent dust and pollutants from entering the internal bearings, keeping the bearings clean and lubricated. Reduce friction: The use of low friction materials reduces the friction of bearings, making steering smoother